PRP · Probable prime
Enter a value, an expression, or a term with a variable like 10^n+1 to list a range.
Switch to Database id to look a number up by its stored id.
Reading never stores anything; use Create to add a number to the database.
See the expression syntax & functions reference.
Is factor of
Primality
This is a probable prime: it passes probabilistic tests but is not yet proven.
Build an ECPP certificate (for example with Primo) and upload it - it is stored and verified locally, then the number is promoted to proven prime.
Primo input filedownload .in
From the command linefdb · curl
fdb
fdb number '9954991341278889368227601837095982212108442142554053704907729889727939326473531285270460166818017432174515320675012332629126376615726263710089772423694529027037211118381179723592061215444107405828729693224067776828816655614901376599756958070260777000107901360868254162384903317165933916463108550775163488876437408704141026442861067114293850146019546740630474324658424544092231825493580607196208292048258107367021606645343891310930410183032556973886336348777489499904340153911541768763243156058439695513572104442811816338600989130893507789649304212064287955504717501050214975285885657765248549947' --detail 2
curl
curl -s 'https://factordb.com:4059/rpc' -H 'Content-Type: application/json' -d '{"jsonrpc":"2.0","id":1,"method":"get_number","params":{"target":{"expr":"9954991341278889368227601837095982212108442142554053704907729889727939326473531285270460166818017432174515320675012332629126376615726263710089772423694529027037211118381179723592061215444107405828729693224067776828816655614901376599756958070260777000107901360868254162384903317165933916463108550775163488876437408704141026442861067114293850146019546740630474324658424544092231825493580607196208292048258107367021606645343891310930410183032556973886336348777489499904340153911541768763243156058439695513572104442811816338600989130893507789649304212064287955504717501050214975285885657765248549947"},"decimal":false,"detail":2}}'